Doug’s post on July 23 provided an excellent summary of Ecology’s webinar outlining its revision process for water quality standards (WQSs). Integral would like to point out a few more details of interest in Ecology’s approach.

Ecology indicated that it will continue to use bioconcentration factors (BCFs), which estimate concentrations in fish tissue based on

Note: This is the second guest post by Integral on this subject, it is also worth reviewing their prior post from February on this topic.

In addition to the updated national recommended water quality criteria discussed by Doug on May 20, EPA has recently released another document with implications for selection of an appropriate

Note from Doug Steding:

This post came about when Randi Wexler from Integral Consulting Inc. sent me an email saying they were working on a comment to one of my previous fish consumption posts. Integral has been tracking this issue closely for a number of years, and I was excited to be able to offer